Home / 28,465,034.45-39,281,766.07-15,412,302.20

Finding the Fourth Proportional to 28,465,034.45, 39,281,766.07 and 15,412,302.20

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Solution

The fourth proportional to 28,465,034.45, 39,281,766.07 and 15,412,302.20 is: 21,268,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,034.45 : 39,281,766.07 = 15,412,302.20 : x
  2. Step 2: Convert to fraction form
    28,465,034.45/39,281,766.07 = 15,412,302.20/x
  3. Step 3: Cross multiply
    28,465,034.45x = 39,281,766.07 × 15,412,302.20
  4. Step 4: Simplify right side
    28,465,034.45x = 605,422,449,680,220.12
  5. Step 5: Solve for x
    x = 605,422,449,680,220.12/28,465,034.45
  6. Step 6: Final answer
    x = 21,268,987.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.